Table 3.

Summary of metric space analyses, with respect to quality and intensity of NaCl and HCl concentrations

Factor	qmax	H0	Hmax	% incr.
Quality and intensity
3 concentrations each of NaCl and HCl (n = 42; max info = 2.58)
Mean	8.30	1.43	1.93	37
SE	1.13	0.04	0.05	3
Median	6.83	1.44	1.94	35
5 concentrations each of NaCl and HCl (n = 10; max info = 3.32)
Mean	6.13	1.72	2.43	43
SE	1.45	0.09	0.10	6
Median	4.83	1.75	2.39	38
3 concentrations each of NaCl and HCl plus 3 mixtures (n = 19; max info = 3.17)
Mean	6.78	1.72	2.43	43
SE	0.78	0.05	0.08	4
Median	5.66	1.71	2.25	33
3 concentrations each of NaCl and HCl plus 5 mixtures (n = 17; max info = 3.46)
Mean	6.58	1.75	2.18	36
SE	0.93	0.06	0.09	3
Median	5.66	1.77	2.33	31
Quality
3 concentrations of NaCl vs. 3 concentrations of HCl (n = 42; max info = 1.00)
Mean	4.17	0.31	0.59	1,033
SE	1.34	0.04	0.03	625
Median	1.00	0.28	0.58	102
5 concentrations of NaCl vs. 5 concentrations of HCl (n = 10; max info = 1.00)
Mean	5.03	0.25	0.62	3,251
SE	1.48	0.08	0.08	2,796
Median	4.83	0.14	0.73	223
Intensity
3 concentrations of NaCl (n = 42; max info = 1.58)
Mean	7.78	1.11	1.35	28
SE	2.64	0.05	0.04	4
Median	1.41	1.05	1.40	19
5 concentrations of NaCl (n = 10; max info = 2.32)
Mean	9.15	1.17	1.17	39
SE	4.11	0.10	0.07	9
Median	4.83	1.14	1.52	37
3 concentrations of HCl (n = 42; max info = 1.58)
Mean	8.33	0.70	1.10	131
SE	4.25	0.06	0.05	32
Median	2.83	0.66	1.13	59
5 concentrations of HCl (n = 10; max info = 2.32)
Mean	8.92	1.14	1.67	54
SE	2.69	0.11	0.11	11
Median	6.00	1.21	1.69	51

% incr. = (H_max − H₀)/H₀, the percentage of the maximum information (max info) that is contributed by the temporal characteristics of the response.